2003 Alfa Romeo 156 vs. 2009 Mercury Mariner
To start off, 2009 Mercury Mariner is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 2,488 cc (4 cylinders), 2009 Mercury Mariner is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (189 HP @ 6200 RPM) has 36 more horse power than 2009 Mercury Mariner. (153 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2009 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Mariner weights approximately 445 kg more than 2003 Alfa Romeo 156.
Because 2009 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2009 Mercury Mariner will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2003 Alfa Romeo 156 (218 Nm @ 5000 RPM) has 34 more torque (in Nm) than 2009 Mercury Mariner. (184 Nm @ 4500 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercury Mariner.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2009 Mercury Mariner | |
| Make | Alfa Romeo | Mercury |
| Model | 156 | Mariner |
| Year Released | 2003 | 2009 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2488 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 153 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 218 Nm | 184 Nm |
| Torque RPM | 5000 RPM | 4500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline / Electric Hybrid |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1480 kg | 1925 kg |
| Vehicle Length | 4450 mm | 4440 mm |
| Vehicle Width | 1750 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1730 mm |
| Wheelbase Size | 2710 mm | 2630 mm |
| Fuel Consumption Overall | 11.9 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 63 L | 57 L |
